Tag Archives: Statistics

All Models Are Wrong But Some Are Useful

“All Models Are Wrong But Some Are Useful” -George Box A great quote. Here is the source: George E.P. Box, Robustness in the strategy of scientific model building, page 202 of Robustness in Statistics, R.L. Launer and G.N. Wilkinson, Editors. … Continue reading

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Performance Measures and Statistics Course

Performance Measures and Statistics Course [the broken link was removed] – free course materials from a 2 day training course by Steven Prevette. Topics include: Dr. Deming’s red bead experiment, operational definitions, selecting performance targets, SPC, theory of variation, case … Continue reading

Posted in Education, Statistics | Tagged , , | 1 Comment

The Exciting Life of Industrial Statisticians

Never a Dull Day: The Life of an Industrial Statistician by Gerry Hahn. Gerry Hahn was one of the great applied statisticians of the last 50 years, working at GE for over 45 years. Six sigma has many variants, he … Continue reading

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Understanding Data

Statistics Abuse and Me [the broken link was removed] by Jay Mathews: the Simpson’s Paradox numbers. The national average for the SAT went up only 4 points between 1981 and 2005, but the average for whites went up 10 points, … Continue reading

Posted in Data, Education, Management, Statistics | Tagged , , , , | 9 Comments

Six Sigma and Process Drift

Quality Quandaries: Six Sigma, Process Drift, Capability Indices, and Feedback Adjustment by George Box and Alberto Luceno. This article is for the more statistically inclined. The Six Sigma specification makes an allowance of 1.5 standard deviations for process drift. Simple … Continue reading

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Using Design of Experiments

How to Institute DOE in Your Company (link broken – removed) by Davis Balestracci: DOE works, but I don’t need to sell that to the readers of this newsletter. But as certain as we all are, no one can deny … Continue reading

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Management Improvement Leaders

Who’s Driving Quality Today by Laura Smith, Quality Digest. Ten years ago, in our March 1995 issue, we profiled 45 “New Quality Gurus.” Although it was one of our more popular articles, some of the “gurus” and their causes have … Continue reading

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Quality, SPC and Your Career

Lead To Succeed [sigh, ASQ broke the link so I removed it, it sure gets tiring how backwards some organizations still are about using the internet, June 2010] by Stephen S. Prevette: * Succeed as a quality professional by branding … Continue reading

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Box on Quality

Dr. George Box is not as well known in the general management community as his ideas merit (in my biased opinion – photo of Bill Hunter and George Box). He is well know in the statistics field as one of … Continue reading

Posted in Books, Design of Experiments, Management, Management Articles, Statistics | Tagged , , , , , , | 3 Comments

Statistical Techniques for Quality

A new book, Quality Engineering Applications of Statistical Design, by T. N. Goh [the broken link was removed], was recently published by Wiley. Links to three previous articles by the author are provided below. Improving on the Six Sigma Paradigm … Continue reading

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